7063304 / 7075085 PTO Clutch for Murray & Snapper | 1" Internal Keyway | X0491A
Overview
This 7063304 / 7075085 electric PTO clutch replacement is an aftermarket clutch for select Murray and Snapper mower applications using the confirmed 7063304 / 7075085 replacement path.
This clutch uses a 1-inch bore with an internal machined keyway in the clutch hub, an approximately 5-5/16-inch pulley, and CCW rotation from the pulley side. These part numbers are associated with the Xtreme X0491 / X0491A replacement family.
Critical keyway warning: Do not choose this clutch based only on a 1-inch bore or similar appearance. This listing is specifically for the clutch configuration with an internal keyway machined into the clutch bore. Match the original clutch number and key arrangement before ordering.
Key Features
- Aftermarket electric PTO clutch assembly
- Primary Murray Number: 7063304
- Primary Snapper Numbers: 7063304, 7075085
- Xtreme Cross-Reference: X0491, X0491A
- Crankshaft Bore: 1 inch
- Keyway Configuration: internal machined keyway in clutch bore
- Pulley Diameter: approximately 5.313 inch / 5-5/16 inch
- Rotation: CCW from pulley side
- Belt Compatibility: 1/2-inch or 5/8-inch V-belt path on supported applications
- Connector: wire lead and connector configuration as shown in product photos
- Integrated electric clutch and brake assembly
- Fully assembled and ready to install after fitment verification
Compatible Brands & Model Series
This is a part-number-first replacement for select Murray and Snapper equipment originally using one of the confirmed numbers below.
Murray Applications
- 7063304
- 7063304YP
Snapper Applications
- 7063304
- 7063304YP
- 7075085
- 7075085YP
Fitment note: Because these numbers appear across older mower platforms, use the original clutch number as the primary fitment signal. Do not rely on the Murray or Snapper brand name alone.
Replaces OEM Part Numbers
- Murray: 7063304, 7063304YP
- Snapper: 7063304, 7063304YP, 7075085, 7075085YP
Aftermarket Cross-Reference Numbers
- Xtreme: X0491, X0491A
Common Symptoms of a Failing PTO Clutch
- Blades will not engage when the PTO switch is activated
- PTO clutch clicks but the mower deck does not turn
- Blades engage cold and stop after the mower heats up
- Intermittent blade engagement under load
- Deck belt slips, squeals, or smokes
- Burning smell or excessive heat near the clutch
- Grinding, bearing noise, or vibration from the clutch area
What’s Included
- 1 complete aftermarket electric PTO clutch assembly
- Approximately 5-5/16-inch pulley
- 1-inch clutch bore with internal machined keyway
- Pre-installed bearing assembly
- Encapsulated electromagnetic coil
- Integrated brake assembly
- Wire lead and connector as shown in product photos
Why Buy From PTO Direct USA?
- Fast USA shipping
- Fitment guarantee
- 1-year warranty
- Fitment-first product descriptions
- Clear part-number and keyway identification
- Product photos showing the actual clutch configuration
- Support for older and difficult-to-identify mower applications
Need Help Confirming Fitment?
Email support@ptodirectusa.com with your mower model number, original clutch number, and clear photos of the clutch bore, crankshaft/key, pulley, connector, and anti-rotation setup.
FAQ
What PTO clutch replaces Murray 7063304?
This clutch is offered for select Murray applications using 7063304 or 7063304YP. Xtreme catalogs these numbers with the X0491 replacement family.
What PTO clutch replaces Snapper 7063304?
Snapper 7063304 and 7063304YP are included in the published X0491 replacement path. Confirm the internal-keyway configuration before ordering.
What PTO clutch replaces Snapper 7075085?
This clutch is offered for select Snapper applications using 7075085 or 7075085YP.
What is the keyway configuration?
This clutch uses a 1-inch bore with an internal machined keyway in the clutch hub. The crankshaft and separate drive-key arrangement must match the original installation.
What pulley diameter does this clutch use?
The published replacement path uses an approximately 5.313-inch / 5-5/16-inch pulley.
What direction does this PTO clutch rotate?
This clutch uses CCW rotation from the pulley side.
Is this related to Ogura MA-GT-JD2?
Current replacement data places these Murray and Snapper numbers within the same X0491 replacement family as Ogura MA-GT-JD2. If the original clutch is marked MA-GT-JD2, use the dedicated MA-GT-JD2 PTO clutch listing for the clearest part-number path.
Can I order this by appearance alone?
No. Confirm the original clutch number and especially the internal clutch-bore keyway. Similar-looking PTO clutches with different key arrangements are not automatically interchangeable.
Can PTO Direct USA help confirm fitment?
Yes. Email support@ptodirectusa.com with your mower model, original clutch number, and clear photos of the old clutch, clutch bore, crankshaft/key, connector, and pulley.
Getting ready to install your PTO clutch? Read the PTO Clutch Installation Guide for removal, crankshaft preparation, mounting-bolt torque guidance, wiring, and burnishing.
Need a different clutch? Browse the full electric PTO clutch catalog.